添加扩展中间件

Yi.Framework/Yi.Framework.WebCore/Appsettings.cs

@@ -0,0 +1,69 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Configuration.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Yi.Framework.WebCore
+{
+    /// <summary>
+    /// appsettings.json操作类
+    /// </summary>
+    public class Appsettings
+    {
+        static IConfiguration Configuration { get; set; }
+        static string contentPath { get; set; }
+
+        public Appsettings(string contentPath)
+        {
+            string Path = "appsettings.json";
+
+            //如果你把配置文件 是 根据环境变量来分开了，可以这样写
+            //Path = $"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")}.json";
+
+            Configuration = new ConfigurationBuilder()
+               .SetBasePath(contentPath)
+               .Add(new JsonConfigurationSource { Path = Path, Optional = false, ReloadOnChange = true })//这样的话，可以直接读目录里的json文件，而不是 bin 文件夹下的，所以不用修改复制属性
+               .Build();
+        }
+
+        public Appsettings(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
+
+        /// <summary>
+        /// 封装要操作的字符
+        /// </summary>
+        /// <param name="sections">节点配置</param>
+        /// <returns></returns>
+        public static string app(params string[] sections)
+        {
+            try
+            {
+
+                if (sections.Any())
+                {
+                    return Configuration[string.Join(":", sections)];
+                }
+            }
+            catch (Exception) { }
+
+            return "";
+        }
+
+        /// <summary>
+        /// 递归获取配置信息数组
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="sections"></param>
+        /// <returns></returns>
+        public static T app<T>(params string[] sections)
+        {
+            List<T> list = new List<T>();
+            // 引用 Microsoft.Extensions.Configuration.Binder 包
+            Configuration.Bind(string.Join(":", sections), list);
+            return list[0];
+        }
+    }
+}